FD Calculator
Fixed deposit maturity with quarterly compounding: interest earned, effective yield and the tax you may owe on it.
Methodology & assumptions
how this number is producedMaturity = P × (1 + r/4)^(4n) · quarterly compounding at the annual rate r over n years
Assumptions
- Rate is an editable input — reference rates from Q2 (Jul–Sep 2026) small-savings notification (PPF 7.1%, post-office FD1y 6.9%)
- Cumulative FD: interest reinvested each quarter until maturity
- Pre-tax output; interest is taxable at your slab rate
Limitations
- Premature withdrawal penalties (typically 0.5–1%) and senior-citizen rates are not modelled
- Bank rates change often — the input is the number your offer letter shows, not ours
- TDS depends on your total income and PAN status; this tool does not compute it
Results are informational estimates produced by MyCapitalverse's own models. They are not financial advice and may differ from how a lender, insurer or authority computes the same figure.
How to use the FD calculator
- Enter the deposit amount, rate and tenure.
- Read the maturity value and interest earned.
- Check the effective yield and the tax at your slab.
About this tool
Indian bank FDs compound quarterly, so the effective yield is a little above the quoted rate. This shows maturity value before tax.
Built and reviewed by Savitar Finance (savitarfinance@gmail.com). Rules and rates last checked October 2026. How we calculate · Report a problem
Questions people ask
How do banks calculate FD interest?
Maturity = P × (1 + r/4)4n for quarterly compounding, where r is the annual rate and n the years.
Is FD interest taxable?
Yes, at your slab rate. Banks deduct TDS above the threshold; submit Form 15G/15H if your income is below the taxable limit.